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Finding the Fourth Proportional to 425,456.32, 587,133.60 and 234,476.64

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Solution

The fourth proportional to 425,456.32, 587,133.60 and 234,476.64 is: 323,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,456.32 : 587,133.60 = 234,476.64 : x
  2. Step 2: Convert to fraction form
    425,456.32/587,133.60 = 234,476.64/x
  3. Step 3: Cross multiply
    425,456.32x = 587,133.60 × 234,476.64
  4. Step 4: Simplify right side
    425,456.32x = 137,669,113,759.10
  5. Step 5: Solve for x
    x = 137,669,113,759.10/425,456.32
  6. Step 6: Final answer
    x = 323,579.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.